Q7. (40 pts) Consider the below activity table for a project. Activity Immediate Predecessor Duration (days) A 8 B A 4 B.E 2 D 10 E H 8 F 2 G A 14 H 6 I F 2 Resource Green Purple Orange Red Purple Orange Blue Black Orange Calculate the Critical Chain. (Note: if you end up having decimal numbers for the buffers, please round them up to next integer number.) If you want, you can use the below diagram (copy/paste if you need more) when calculating the critical chain schedules